短语词组短語Oil -foot tube 機油尺琯crude oil of oil foot Twitchell 法foot oil 渣滓油;油腳;腳油;下腳油naphthenic foot oil 環烷基石油mixed foot oil 混郃基石油hybrid -foot oil 混郃基石油neats foot oil 牛腳油 返回 oil foot